The correct idle speed is 1RPM x4.2-7.888
The proper idle speed for a Dodge with a 318 cubic inch engine about 475 to 500 RPMs. Any idle below that will cause stalling.
It may be a stuck pcv valve.
It is on the back side of the throttle body.
The dodge neon has an optimum idle speed like any other car. The Dodge Neon's optimum idle speed at rest is between 12.9% and 13.3%.
The computer will control the idle speed anywhere from 550 to 1200 rpm's
From commands sent to it from the ECM, the ISC valve opens and closes allowing air into the system to maintain correct idle speed.
There isn't one...the idle speed is controlled by the engine management computer and is not adjustable. Idle speed problems are typically caused by a malfunctioning IAC (Idle Air Control valve), dirty throttle plates, or vacuum leaks.
Idle is computer controlled and is not adjustable.
Idle speed on a Dodge Neon is not adjustable. Idle is computer controlled with an airflow control motor on the throttle body.
The idle is automatic. If the speed is not corect then you have to fix the problem with the idle motor.
Idle speed is controled by the computer. Unless there is a screw on the throttle body it is not adjustable.
Could be the carburetor/idle speed out of adjustment, possibly a vacuum leak